package com.qcby.demo;

public class Test {
    public static void main(String[] args) {
        Integer a = 127;
        Integer b = 127;
        System.out.println(a == b);

        Integer c = 128;
        Integer d = 128;
        System.out.println(c == d);

        int e = 127;
        System.out.println(e == a);

        int f = 128;
        System.out.println(f == c);

    }
}
